aneurysm (redirected from congenital aneurysm)

an·eu·rysm also an·eu·rism  (ny-rzm)

n.

A localized, pathological, blood-filled dilatation of a blood vessel caused by a disease or weakening of the vessel's wall.

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[Middle English aneurisme, ultimately from Greek aneurusma, from aneurein, to dilate : ana-, throughout; see ana- + eurus, wide.]

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aneu·rysmal (-ml) adj.

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aneurysm, aneurism [ˈænjəˌrɪzəm]

n

(Medicine) a sac formed by abnormal dilation of the weakened wall of a blood vessel

[from Greek aneurusma, from aneurunein to dilate, from eurunein to widen]

aneurysmal , aneurismal, aneurysmatic, aneurismatic adj

aneurysmally , aneurismally, aneurysmatically, aneurismatically adv

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aneurysm  (ny-rzm)

A localized, blood-filled dilation of a blood vessel or cardiac chamber caused by disease, such as arteriosclerosis, or weakening of the vessel or chamber wall. A ruptured aneurysm results in hemorrhage and is often fatal.

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aneurism, aneurysm

a disease of the artery wall that causes a localized dilatation of the artery and a pulsating tumor.

See also: Blood and Blood Vessels

Thesaurus

Noun

1.

aneurysm - a cardiovascular disease characterized by a saclike widening of an artery resulting from weakening of the artery wall aneurism cardiovascular disease - a disease of the heart or blood vessels aortic aneurysm - an aneurysm of the aorta cerebral aneurysm - an aneurysm of the carotid artery intracranial aneurysm - an aneurysm of a cranial artery ventricular aneurysm - a localized dilation or protrusion on the wall of the left ventricle of the heart (occurring after a myocardial infarction)